<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools>
        <template v-slot:after>
          <!-- 页面权限 type1-->
          <el-button v-permission="['employee_edit','333']" type="primary" size="small" @click="addPermisson(1,0)">添加权限</el-button>
        </template>
      </page-tools>
      <!-- 表格 -->
      <el-table border :data="list" row-key="id">
        <el-table-column align="center" label="名称" prop="name" />
        <el-table-column align="center" label="标识" prop="code" />
        <el-table-column align="center" label="描述" prop="description" />
        <el-table-column align="center" label="操作">
          <template slot-scope="{row}">
            <!-- 功能权限 type2-->
            <el-button type="text" @click="addPermisson(2,row.id)">添加</el-button>
            <el-button type="text" @click="editPermission(row.id)">编辑</el-button>
            <el-button type="text" @click="delPermission(row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 放置一个弹层 用来编辑新增节点 -->
      <el-dialog :title="formData.code?'编辑':'新增'" :visible="showDialog" @close="btnCancel">
        <!-- 表单 -->
        <el-form ref="perForm" :model="formData" :rules="rules" label-width="120px">
          <el-form-item label="权限名称" prop="name">
            <el-input v-model="formData.name" style="width:90%" />
          </el-form-item>
          <el-form-item label="权限标识" prop="code">
            <el-input v-model="formData.code" style="width:90%" />
          </el-form-item>
          <el-form-item label="权限描述">
            <el-input v-model="formData.description" style="width:90%" />
          </el-form-item>
          <el-form-item label="开启">
            <el-switch
              v-model="formData.enVisible"
              active-value="1"
              inactive-value="0"
            />
          </el-form-item>
        </el-form>
        <el-row slot="footer" type="flex" justify="center">
          <el-col :span="6">
            <el-button size="small" type="primary" @click="btnOK">确定</el-button>
            <el-button size="small" @click="btnCancel">取消</el-button>
          </el-col>
        </el-row>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getPermissionList, addPermission, getPermissionDetail, delPermission } from '@/api/permisson'
import { listTree } from '@/utils'
export default {
  data() {
    const sameName = async(rule, value, callback) => {
      let res
      const newList = await getPermissionList()
      if (this.formData.code) { // 编辑
        res = newList.some(item => {
          item.id !== this.formData.id && item.pid === this.id && item.name === value
        //   console.log(item.pid === this.id)
        //   console.log(item.name === value)
        })
      } else { // 新增
        res = newList.some(item => item.pid === this.id && item.name === value)
      }
      res ? callback(new Error(`同级部门下已经有${value}这个名字了`)) : callback()
    }
    const sameCode = async(rule, value, callback) => {
      let res
      const newList = await getPermissionList()
      if (this.formData.code) {
        res = newList.some(item => item.id !== this.formData.id && item.code === value)
      } else {
        res = newList.some(item => item.code === value)
      }
      res ? callback(new Error(`同级部门下已经有${value}code了`)) : callback()
    }
    return {
      id: null,
      newList: [],
      list: [],
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 开启
      },
      rules: {
        name: [
          { required: true, message: '权限名称不能为空', trigger: 'blur' },
          { validator: sameName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '权限标识不能为空', trigger: 'blur' },
          { validator: sameCode, trigger: 'blur' }]

      },
      showDialog: false
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    async getPermissionList() {
      this.list = listTree(await getPermissionList(), '0')
    //   console.log(this.list)
    },
    async addPermisson(type, id) {
      this.showDialog = true
      this.formData.type = type
      this.formData.pid = id
      this.id = id
    },
    async editPermission(id) {
      this.showDialog = true
      this.formData = await getPermissionDetail(id)
      this.id = id
    },
    async delPermission(id) {
      try {
        await this.$confirm('确定删除？', '删除')
        await delPermission(id)
        this.getPermissionList()
        this.$message.success('删除成功')
      } catch (error) {
        this.$message.error(error?.message ? error?.message : '取消删除')
      }
    },
    async btnOK() {
      await this.$refs.perForm.validate()
      await addPermission(this.formData)
      //   console.log(res)
      this.getPermissionList()
      this.$message.success('成功')
      this.showDialog = false
    },
    btnCancel() {
      this.showDialog = false
      this.$refs.perForm.resetFields()
      this.formData = {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 开启
      }
    }
  }
}
</script>

<style>
.el-icon-arrow-right{
    font-size: 14px;
}
</style>
